Chapter 09 專題 : 網站留言版 Python - Django

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1 Chapter 09 專題 : 網站留言版

2 9.1 CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) CAPTCHA CAPTCHA OCR Yahoo EZ-Gimpy django-simple-captcha Django django-simple-captcha Django django-simple-captcha DjangoEnv pip install django-simple-captcha 9-2

<settings.py> INSTALLED_APPS'captcha', INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.

3 <settings.py> INSTALLED_APPS'captcha', INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'captcha', ] django-simple-captcha python manage.py migrate <urls.py> captcha url(r'^captcha/', include('captcha.urls')), django-simple-captcha django-simple-captcha <chalogin> <C:\DjangoEnv> 命令提示字元 <chalogin> admin aa ( ) 9-3

$py> INSTALLED_APPS chaapp captcha chalogin\settings.$ py 33 INSTALLED_APPS = [ 34 'django.contrib.

contrib.sessions', 38 'django.contrib.messages', 39 'django.

4 <settings.py> INSTALLED_APPS chaapp captcha chalogin\settings.py 33 INSTALLED_APPS = [ 34 'django.contrib.admin', 35 'django.contrib.auth', 36 'django.contrib.contenttypes', 37 'django.contrib.sessions', 38 'django.contrib.messages', 39 'django.contrib.staticfiles', 40 'chaapp', 41 'captcha', 42 ] <urls.py> captcha 9-4

5 chalogin\urls.py 16 from django.conf.urls import url, include 17 from django.contrib import admin 18 from chaapp import views urlpatterns = [ 21 url(r'^$', views.index), 22 url(r'^index/$', views.index), 23 url(r'^manage/$', views.manage), 24 url(r'^captcha/', include('captcha.urls')), 25 url(r'^admin/', admin.site.urls), 26 ] 24 include captcha 16 include 21 <index.html> 23 <manage.html> django-simple-captcha 套件需重整資料庫 Django django-simplecaptcha <settings.py> python manage.py migrate Django (forms.form) <forms.py> chaapp\forms.py 1 from django import forms 2 from captcha.fields import CaptchaField 3 4 class PostForm(forms.Form): 5 username = forms.charfield(max_length=20,initial='') 6 pd = forms.charfield(max_length=20,initial='') 7 captcha = CaptchaField() 9-5

$2 CaptchaField 7 CaptchaField ( captcha) 5 6 CharField required True 送出 (captcha) Django required 9.1.4 (views.py) (index. html) chaapp\views.py 1 from django.$

6 2 CaptchaField 7 CaptchaField ( captcha) 5 6 CharField required True 送出 (captcha) Django required (views.py) (index. html) chaapp\views.py 1 from django.shortcuts import render, redirect 2 from chaapp import forms 3 from django.contrib.auth import authenticate 4 from django.contrib import auth 5 6 def index(request): 7 if request.method == "POST": 8 postform = forms.postform(request.post) 9 if postform.is_valid(): #forms 10 username = postform.cleaned_data['username'] 11 pd = postform.cleaned_data['pd'] 12 user1 = authenticate(username=username, password=pd) # 13 if user1 is not None: # 14 auth.login(request, user1) # 9-6

7 15 postform = forms.postform() 16 return redirect('/manage/') 17 else: # 18 message = ' ' 19 else: 20 message = ' ' 21 else: 22 message = ' ' 23 postform = forms.postform() 24 return render(request, "index.html", locals()) def manage(request): 27 return render(request, "manage.html", locals()) (postform) (index.html) 9 postform.is_valid() True postform.is_valid() False templates\index.html 11 <form action="." method="post" name="form1"> 12 {% csrf_token %} 13 <table border="0" align="center" cellpadding="4" cellspacing="1"> 14 <tr> 15 <th align="right" valign="baseline"> </th> 16 <td valign="baseline">{{postform.username}}</td> 17 </tr> 18 <tr> 19 <th align="right" valign="baseline"> </th> 20 <td valign="baseline">{{postform.pd}}</td> 21 </tr> 22 <tr> 9-7

8 23 <th align="right" valign="baseline"> </th> 24 <td valign="baseline">{{postform.captcha}}</td> 25 </tr> 26 <tr> 27 <th colspan="2" align="center" valign="baseline"> 28 <input type="submit" name="button" id="button" value=" "> 29 <input type="reset" name="button2" id="button2" value=" "> 30 </th> 31 </tr> 32 </table> 33 <span style="color:red">{{message}}</span> 34 </form> postform <views.py> {{. }} django-simple-captcha <settings.py> (chalogin) <settings.py> # chalogin\settings.py CAPTCHA_NOISE_FUNCTIONS = ( 45 #'captcha.helpers.noise_null', # 46 'captcha.helpers.noise_arcs', # 47 'captcha.helpers.noise_dots', # 48 ) #CAPTCHA_IMAGE_SIZE = (150, 70) # #CAPTCHA_BACKGROUND_COLOR = '#ffff00' # #CAPTCHA_CHALLENGE_FUNCT = 'captcha.helpers.random_char_challenge' # 55 #CAPTCHA_CHALLENGE_FUNCT = 'captcha.helpers.math_challenge' #

9 57 #CAPTCHA_LENGTH = 6 # #CAPTCHA_TIMEOUT = 1 # ( ) CAPTCHA_NOISE_FUNCTIONS = (' ',) captcha.helpers.noise_null captcha.helpers.noise_arcs captcha.helpers.noise_dots CAPTCHA_NOISE_FUNCTIONS = ('captcha.helpers.noise_arcs', 'captcha.helpers.noise_dots',) CAPTCHA_BACKGROUND_COLOR = ' ' ( #ffffff ) #ffff00 #00ff00 CAPTCHA_LENGTH = 4 ( 4 ) 6 9-9

10 CAPTCHA_IMAGE_SIZE = (, ) 150, 70 CAPTCHA_TIMEOUT = 5 5 django-simple-captcha 2 CAPTCHA_CHALLENGE_FUNCT = ' ' captcha.helpers.random_char_challenge captcha.helpers.math_challenge

$<board> <C:\DjangoEnv>$

11 django-simple-captcha <board> <C:\DjangoEnv> 命令提示字元 <board> 3 上一頁下一頁瀏覽留言我要留言版主管理我要留言送出 9-11

12 版主管理 admin aa 送出 3 版主回應確定修改刪除確定刪除 post.html delete.html index.html login.html adminmain.html 9-12

13 9.2.3 <models.py> BoardUnit boardapp\models.py 1 from django.db import models 2 3 class BoardUnit(models.Model): 4 bname = models.charfield(max_length=20, null=false) 5 bgender = models.charfield(max_length=2, default='m', null=false) 6 bsubject = models.charfield(max_length=100, null=false) 7 btime = models.datetimefield(auto_now=true) 8 bmail = models. field(max_length=100, blank=true, default='') 9 bweb = models.charfield(max_length=200, blank=true, default='') 10 bcontent = models.textfield(null=false) 11 bresponse = models.textfield(blank=true, default='') def str (self): 14 return self.bsubject bbname bgender bsubject bcontent bmail bweb response btime auto_now=true <settings.py> captcha <settings.py> INSTALLED_APPS captcha board\settings.py 33 INSTALLED_APPS = [ 34 'django.contrib.admin', 35 'django.contrib.auth', 36 'django.contrib.contenttypes', 37 'django.contrib.sessions', 38 'django.contrib.messages', 39 'django.contrib.staticfiles', 9-13

14 Chapter 10 專題 : 網路相簿

$<C:\DjangoEnv>$ 相簿管理 admin

15 <album> <C:\DjangoEnv> 命令提示字元 <album> 1 1 相簿管理 admin aa 登入管理新增相簿 10-6

16 ( ) 確定新增 1 ( 刪除相簿 ) 確定 ( ) 5 更新及上傳資料管理相片 10-7

17 adminadd.html index.html login.html adminmain.html albumshow.html albumphoto.html adminfix.html <models.py> AlbumModel PhotoModel albumapp\models.py 1 from django.db import models 2 3 class AlbumModel(models.Model): 4 adate = models.datetimefield(auto_now=true) 5 alocation = models.charfield(max_length=200, blank=true, default='') 6 atitle = models.charfield(max_length=100, null=false) 7 adesc = models.textfield(blank=true, default='') 8 def str (self): 9 return self.atitle class PhotoModel(models.Model): 12 palbum = models.foreignkey('albummodel', on_delete=models.cascade) 13 psubject = models.charfield(max_length=100, null=false) 14 pdate = models.datetimefield(auto_now=true) 15 purl = models.charfield(max_length=100, null=false) 10-8

18 Chapter 11 專題 : 購物車

19 cartordercheck.html index.html detail.html addcocart.html cart.html cartcheckout.html cartok.html <models.py> ProductModel OrdersModel DetailModel cartapp\models.py 1 from django.db import models 2 3 class ProductModel(models.Model): 4 pname = models.charfield(max_length=100, default='') 5 pprice = models.integerfield(default=0) 6 pimages = models.charfield(max_length=100, default='') 7 pdescription = models.textfield(blank=true, default='') 8 def str (self): 9 return self.pname

20 <views.py> index <index.html> cartapp\views.py 1 from django.shortcuts import render, redirect 2 from cartapp import models 3 from smtplib import SMTP, SMTPAuthenticationError, SMTPException 4 from .mime.text import MIMEText 5 6 message = '' 7 cartlist = [] # 8 customname = '' # 9 customphone = '' # 10 customaddress = '' # 11 custom = '' # def index(request): 14 global cartlist 15 if 'cartlist' in request.session: # session cartlist 16 cartlist = request.session['cartlist'] 17 else: # 18 cartlist = [] 19 cartnum = len(cartlist) # 20 productall = models.productmodel.objects.all() # 21 return render(request, "index.html", locals()) 3-4 Smtplib 6-11 (message) (cartlist) (customname ) session session session <index.html> 20 <index.html> 11-13

21 Chapter 12 專題 : 埔里美食地圖 Google

$12.1.4 Google <gmap> <C:\DjangoEnv> 命令提示字元 <gmap> (127.0.0.1:8000) Google 加入地標台北 101 大樓顯示街景 <views.py> <index.html> gmapapp\views.py 1 from django.$ DOCTYPE html> 2 <html> 3 <head> 4 <meta http-equiv="content-type" content="text/html; charset=utf-8" /> 5 <title>google </title> 6 <script async defer

DOCTYPE html> 2 <html> 3 <head> 4 <meta http-equiv="content-type" content="text/html; charset=utf-8" /> 5 <title>google </title> 6 <script async defer

22 Google <gmap> <C:\DjangoEnv> 命令提示字元 <gmap> ( :8000) Google 加入地標台北 101 大樓顯示街景 <views.py> <index.html> gmapapp\views.py 1 from django.shortcuts import render 2 3 def index(request): 4 return render(request, "index.html", locals()) <index.html> Google templates\index.html 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta http-equiv="content-type" content="text/html; charset=utf-8" /> 5 <title>google </title> 6 <script async defer type="text/javascript" src=" googleapis.com/maps/api/js?callback=loadgooglemap"></script> 7 <script language="javascript"> 8 google.maps.event.adddomlistener(window, 'load', loadgooglemap); // GoogleMap 12-7

实验 5:Python 连接 MySQL 数据库与动态网页开发 pymysql / 11

实验 5:Python 连接 MySQL 数据库与动态网页开发 2017-04 pymysql 2017-04 1 / 11 Python 安装 Anaconda2 (https://www.continuum.io/downloads 配置 /.pip/pip.conf [global] index-url=https://pypi.tuna.tsinghua.edu.cn/simple 安装模块